1 /***********************************************************
2 * Rocks'n'Diamonds -- McDuffin Strikes Back! *
3 *----------------------------------------------------------*
4 * (c) 1995-98 Artsoft Entertainment *
8 * phone: ++49 +521 290471 *
9 * email: aeglos@valinor.owl.de *
10 *----------------------------------------------------------*
12 ***********************************************************/
26 /* values for key_status */
27 #define KEY_NOT_PRESSED FALSE
28 #define KEY_RELEASED FALSE
29 #define KEY_PRESSED TRUE
35 if (XPending(display)) /* got event from X server */
39 XNextEvent(display, &event);
45 HandleButtonEvent((XButtonEvent *) &event);
49 HandleMotionEvent((XMotionEvent *) &event);
54 HandleKeyEvent((XKeyEvent *) &event);
58 HandleOtherEvents(&event);
65 /* don't use all CPU time when idle; the main loop while playing
66 has its own synchronization and is CPU friendly, too */
68 if (game_status != PLAYING)
70 XSync(display, FALSE);
74 /* refresh window contents from drawing buffer, if needed */
77 if (game_status == EXITGAME)
82 void HandleOtherEvents(XEvent *event)
87 HandleExposeEvent((XExposeEvent *) event);
96 HandleFocusEvent((XFocusChangeEvent *) event);
100 HandleClientMessageEvent((XClientMessageEvent *) event);
108 void ClearEventQueue()
110 while(XPending(display))
114 XNextEvent(display, &event);
119 button_status = MB_RELEASED;
123 key_joystick_mapping = 0;
127 HandleOtherEvents(&event);
133 void SleepWhileUnmapped()
135 boolean window_unmapped = TRUE;
137 XAutoRepeatOn(display);
139 while(window_unmapped)
143 XNextEvent(display, &event);
148 button_status = MB_RELEASED;
152 key_joystick_mapping = 0;
156 window_unmapped = FALSE;
160 /* this is only to surely prevent the 'should not happen' case
161 * of recursively looping between 'SleepWhileUnmapped()' and
162 * 'HandleOtherEvents()' which usually calls this funtion.
167 HandleOtherEvents(&event);
172 if (game_status==PLAYING)
173 XAutoRepeatOff(display);
176 void HandleExposeEvent(XExposeEvent *event)
178 int x = event->x, y = event->y;
179 int width = event->width, height = event->height;
181 if (setup.direct_draw && game_status==PLAYING)
184 int x1 = (x-SX)/TILEX, y1 = (y-SY)/TILEY;
185 int x2 = (x-SX+width)/TILEX, y2 = (y-SY+height)/TILEY;
187 SetDrawtoField(DRAW_BACKBUFFER);
189 for(xx=0; xx<SCR_FIELDX; xx++)
190 for(yy=0; yy<SCR_FIELDY; yy++)
191 if (xx>=x1 && xx<=x2 && yy>=y1 && yy<=y2)
192 DrawScreenField(xx,yy);
195 SetDrawtoField(DRAW_DIRECT);
198 if (setup.soft_scrolling && game_status == PLAYING)
200 int fx = FX, fy = FY;
202 fx += (ScreenMovDir & (MV_LEFT|MV_RIGHT) ? ScreenGfxPos : 0);
203 fy += (ScreenMovDir & (MV_UP|MV_DOWN) ? ScreenGfxPos : 0);
205 XCopyArea(display,fieldbuffer,backbuffer,gc,
206 fx,fy, SXSIZE,SYSIZE,
210 XCopyArea(display,drawto,window,gc, x,y, width,height, x,y);
215 void HandleButtonEvent(XButtonEvent *event)
217 motion_status = FALSE;
219 if (event->type == ButtonPress)
220 button_status = event->button;
222 button_status = MB_RELEASED;
224 HandleButton(event->x, event->y, button_status);
227 void HandleMotionEvent(XMotionEvent *event)
234 if (!XQueryPointer(display, window, &root, &child, &root_x, &root_y,
235 &win_x, &win_y, &mask))
238 if (!button_status && game_status != LEVELED)
241 motion_status = TRUE;
243 HandleButton(win_x, win_y, button_status);
246 void HandleKeyEvent(XKeyEvent *event)
248 int key_status = (event->type == KeyPress ? KEY_PRESSED : KEY_RELEASED);
251 if (game_status == PLAYING)
253 /* use '0' instead of 'event->state' to get the key without modifiers */
254 key = XLookupKeysym(event, 0);
258 /* get the key with all modifiers */
260 int buffer_size = 10;
261 XComposeStatus compose;
264 char_count = XLookupString(event, buffer, buffer_size, &key, &compose);
265 buffer[char_count] = '\0';
268 HandleKey(key, key_status);
271 void HandleFocusEvent(XFocusChangeEvent *event)
273 static int old_joystick_status = -1;
275 if (event->type == FocusOut)
277 XAutoRepeatOn(display);
278 old_joystick_status = joystick_status;
279 joystick_status = JOYSTICK_OFF;
280 key_joystick_mapping = 0;
282 else if (event->type == FocusIn)
284 if (game_status == PLAYING)
285 XAutoRepeatOff(display);
286 if (old_joystick_status != -1)
287 joystick_status = old_joystick_status;
291 void HandleClientMessageEvent(XClientMessageEvent *event)
294 if ((event->window == window) &&
295 (event->data.l[0] == XInternAtom(display, "WM_DELETE_WINDOW", FALSE)))
300 void HandleButton(int mx, int my, int button)
302 static int old_mx = 0, old_my = 0;
316 HandleVideoButtons(mx,my, button);
317 HandleSoundButtons(mx,my, button);
318 HandleGameButtons(mx,my, button);
322 HandleGadgets(mx, my, button);
327 HandleMainMenu(mx,my, 0,0, button);
331 HandleTypeName(0, XK_Return);
335 HandleChooseLevel(mx,my, 0,0, button);
339 HandleHallOfFame(button);
346 HandleHelpScreen(button);
350 HandleSetupScreen(mx,my, 0,0, button);
354 HandleSetupInputScreen(mx,my, 0,0, button);
359 if (button == MB_RELEASED)
361 int sx = (mx - SX) / TILEX;
362 int sy = (my - SY) / TILEY;
364 if (IN_VIS_FIELD(sx,sy))
369 printf("INFO: SCREEN(%d, %d), LEVEL(%d, %d)\n", sx, sy, x, y);
371 if (!IN_LEV_FIELD(x, y))
374 printf(" Feld[%d][%d] == %d\n", x,y, Feld[x][y]);
375 printf(" Store[%d][%d] == %d\n", x,y, Store[x][y]);
376 printf(" Store2[%d][%d] == %d\n", x,y, Store2[x][y]);
377 printf(" StorePlayer[%d][%d] == %d\n", x,y, StorePlayer[x][y]);
378 printf(" MovPos[%d][%d] == %d\n", x,y, MovPos[x][y]);
379 printf(" MovDir[%d][%d] == %d\n", x,y, MovDir[x][y]);
380 printf(" MovDelay[%d][%d] == %d\n", x,y, MovDelay[x][y]);
392 void HandleKey(KeySym key, int key_status)
395 static struct SetupKeyboardInfo custom_key;
398 KeySym *keysym_custom;
399 KeySym keysym_default;
403 { &custom_key.left, DEFAULT_KEY_LEFT, JOY_LEFT },
404 { &custom_key.right, DEFAULT_KEY_RIGHT, JOY_RIGHT },
405 { &custom_key.up, DEFAULT_KEY_UP, JOY_UP },
406 { &custom_key.down, DEFAULT_KEY_DOWN, JOY_DOWN },
407 { &custom_key.snap, DEFAULT_KEY_SNAP, JOY_BUTTON_1 },
408 { &custom_key.bomb, DEFAULT_KEY_BOMB, JOY_BUTTON_2 }
411 if (game_status == PLAYING)
415 for (pnr=0; pnr<MAX_PLAYERS; pnr++)
420 if (setup.input[pnr].use_joystick)
423 custom_key = setup.input[pnr].key;
426 if (key == *key_info[i].keysym_custom)
427 key_action |= key_info[i].action;
429 if (key_status == KEY_PRESSED)
430 stored_player[pnr].action |= key_action;
432 stored_player[pnr].action &= ~key_action;
440 if (key == key_info[i].keysym_default)
441 joy |= key_info[i].action;
446 if (key_status == KEY_PRESSED)
447 key_joystick_mapping |= joy;
449 key_joystick_mapping &= ~joy;
454 if (game_status != PLAYING)
455 key_joystick_mapping = 0;
457 if (key_status == KEY_RELEASED)
460 if (key == XK_Return && game_status == PLAYING && AllPlayersGone)
462 CloseDoor(DOOR_CLOSE_1);
463 game_status = MAINMENU;
468 /* allow quick escape to the main menu with the Escape key */
469 if (key == XK_Escape && game_status != MAINMENU)
471 if (game_status == LEVELED)
473 /* draw smaller door */
474 XCopyArea(display, pix[PIX_DOOR], drawto, gc,
478 redraw_mask |= REDRAW_ALL;
481 CloseDoor(DOOR_CLOSE_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
482 game_status = MAINMENU;
491 if (game_status == PLAYING && (tape.playing || tape.pausing))
498 HandleGadgetsKeyInput(key);
503 HandleTypeName(0, key);
513 if (game_status == MAINMENU)
514 HandleMainMenu(0,0, 0,0, MB_MENU_CHOICE);
515 else if (game_status == CHOOSELEVEL)
516 HandleChooseLevel(0,0, 0,0, MB_MENU_CHOICE);
517 else if (game_status == SETUP)
518 HandleSetupScreen(0,0, 0,0, MB_MENU_CHOICE);
519 else if (game_status == SETUPINPUT)
520 HandleSetupInputScreen(0,0, 0,0, MB_MENU_CHOICE);
529 HandleHelpScreen(MB_RELEASED);
536 game_status = MAINMENU;
547 HandleLevelEditorKeyInput(key);
568 if (GameFrameDelay == 500)
569 GameFrameDelay = GAME_FRAME_DELAY;
571 GameFrameDelay = 500;
574 GameFrameDelay = (key - XK_0) * 10;
575 printf("Game speed == %d%% (%d ms delay between two frames)\n",
576 GAME_FRAME_DELAY * 100 / GameFrameDelay, GameFrameDelay);
582 if (ScrollStepSize == TILEX/8)
583 ScrollStepSize = TILEX/4;
585 ScrollStepSize = TILEX/8;
586 printf("ScrollStepSize == %d\n", ScrollStepSize);
595 ScrollStepSize = TILEX/4;
600 ScrollStepSize = TILEX/8;
602 printf("MoveSpeed == %d\n", MoveSpeed);
607 ScrollStepSize = TILEX/8;
608 printf("ScrollStepSize == %d (1/8)\n", ScrollStepSize);
612 ScrollStepSize = TILEX/4;
613 printf("ScrollStepSize == %d (1/4)\n", ScrollStepSize);
617 ScrollStepSize = TILEX/2;
618 printf("ScrollStepSize == %d (1/2)\n", ScrollStepSize);
622 ScrollStepSize = TILEX;
623 printf("ScrollStepSize == %d (1/1)\n", ScrollStepSize);
630 local_player->dynamite = 1000;
641 for(i=0; i<MAX_PLAYERS; i++)
643 printf("Player %d:\n", i);
644 printf(" jx == %d, jy == %d\n",
645 stored_player[i].jx, stored_player[i].jy);
646 printf(" last_jx == %d, last_jy == %d\n",
647 stored_player[i].last_jx, stored_player[i].last_jy);
666 void HandleNoXEvent()
668 if (button_status && game_status != PLAYING)
670 HandleButton(0, 0, -button_status);
681 if (game_status == PLAYING)
685 static int HandleJoystickForAllPlayers()
690 for (i=0; i<MAX_PLAYERS; i++)
695 if (!setup.input[i].use_joystick)
699 joy_action = Joystick(i);
700 result |= joy_action;
703 if (!setup.input[i].use_joystick)
707 stored_player[i].action = joy_action;
713 void HandleJoystick()
715 int joystick = HandleJoystickForAllPlayers();
716 int keyboard = key_joystick_mapping;
717 int joy = (joystick | keyboard);
718 int left = joy & JOY_LEFT;
719 int right = joy & JOY_RIGHT;
720 int up = joy & JOY_UP;
721 int down = joy & JOY_DOWN;
722 int button = joy & JOY_BUTTON;
723 int newbutton = (AnyJoystickButton() == JOY_BUTTON_NEW_PRESSED);
724 int dx = (left ? -1 : right ? 1 : 0);
725 int dy = (up ? -1 : down ? 1 : 0);
734 static unsigned long joystickmove_delay = 0;
736 if (joystick && !button &&
737 !DelayReached(&joystickmove_delay, GADGET_FRAME_DELAY))
738 newbutton = dx = dy = 0;
740 if (game_status==MAINMENU)
741 HandleMainMenu(0,0,dx,dy,newbutton ? MB_MENU_CHOICE : MB_MENU_MARK);
742 else if (game_status==CHOOSELEVEL)
743 HandleChooseLevel(0,0,dx,dy,newbutton ? MB_MENU_CHOICE : MB_MENU_MARK);
744 else if (game_status==SETUP)
745 HandleSetupScreen(0,0,dx,dy,newbutton ? MB_MENU_CHOICE : MB_MENU_MARK);
746 else if (game_status==SETUPINPUT)
747 HandleSetupInputScreen(0,0,dx,dy,
748 newbutton ? MB_MENU_CHOICE : MB_MENU_MARK);
753 HandleHallOfFame(!newbutton);
757 HandleHelpScreen(!newbutton);
761 if (tape.playing || keyboard)
762 newbutton = ((joy & JOY_BUTTON) != 0);
764 if (AllPlayersGone && newbutton)
766 CloseDoor(DOOR_CLOSE_1);
767 game_status = MAINMENU;